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conference paper

Resonances of Newtonian fluids in elastomeric microtubes

Torres Rojas, Aimee M.
•
Pagonabarraga, I.
•
Corvera Poire, E.
2017
Physics Of Fluids
Meeting of the Institute-of-Non-Newtonian-Fluid-Mechanics (INNFM)

We analyze the dynamic behavior of Newtonian fluids in elastic tubes subject to pulsatile pressure gradients and show that the interplay between the viscosity of the fluid, the elasticity of the wall, and the characteristic size of the confining media gives rise to a rich phenomenology that includes resonances. We find that these resonances are relevant for small confining geometries with low Young's moduli, typical of elastomeric materials in microfluidics. These resonances disappear beyond a certain tube radius, a certain Young's modulus, and below a certain fluid viscosity. In order to guide potential experiments, we present results for mineral oil flowing through polydimethylsiloxane microtubes and find resonances of the order of few tens of kHz. Published by AIP Publishing.

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Type
conference paper
DOI
10.1063/1.5001061
Web of Science ID

WOS:000418958300019

Author(s)
Torres Rojas, Aimee M.
•
Pagonabarraga, I.
•
Corvera Poire, E.
Date Issued

2017

Publisher

Amer Inst Physics

Publisher place

Melville

Published in
Physics Of Fluids
Total of pages

7

Volume

29

Issue

12

Start page

122003

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SB  
Event nameEvent placeEvent date
Meeting of the Institute-of-Non-Newtonian-Fluid-Mechanics (INNFM)

Llanwddyn, WALES

2017

Available on Infoscience
January 15, 2018
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/144067
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